Final answer:
Gas lighting technology was widely adopted in London during the 19th century, with various venues utilizing gas lamps for illumination. The employment figures for individuals specifically dedicated to gas lamp lighting in London are not explicitly mentioned in the text.
Explanation:
Gas lamps in London: Gas lighting spread through Europe in the 19th century. Companies like the London Lyceum Theatre and the Victoria and Albert Museum adopted gas lighting early on. This technology played a significant role in urban illumination.
Employment for gas lamps: During the peak of gas lighting, there were numerous employees responsible for lighting and maintaining gas lamps in London. The exact number of these employees is not provided in the provided text.
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